RDB$RELATION_FIELDS

RDB$FIELD_NAME

CHAR(63)

Column name

RDB$RELATION_NAME

CHAR(63)

The name of the table or view that the column belongs to

RDB$FIELD_SOURCE

CHAR(63)

Domain name on which the column is based, either a user-defined one specified in the table definition or one created automatically by the system using the set of attributes defined.The attributes are in the table RDB$FIELDS: this column matches RDB$FIELDS.RDB$FIELD_NAME.

RDB$QUERY_NAME

CHAR(63)

Not currently used

RDB$BASE_FIELD

CHAR(63)

Only populated for a view, it is the name of the column from the base table

RDB$EDIT_STRING

VARCHAR(127)

Not used

RDB$FIELD_POSITION

SMALLINT

The zero-based ordinal position of the column in the table or view, numbering from left to right

RDB$QUERY_HEADER

BLOB TEXT

Not used

RDB$UPDATE_FLAG

SMALLINT

Indicates whether the column is a regular one (value 1) or a computed one (value 0)

RDB$FIELD_ID

SMALLINT

An ID assigned from RDB$RELATIONS.RDB$FIELD_ID at the time the column was added to the table or view.It should always be treated as transient

RDB$VIEW_CONTEXT

SMALLINT

For a view column, the internal identifier of the base table from which this field derives

RDB$DESCRIPTION

BLOB TEXT

Comments related to the table or view column

RDB$DEFAULT_VALUE

BLOB BLR

The binary language representation (BLR) of the default value of the column

RDB$SYSTEM_FLAG

SMALLINT

Indicates whether the column is user-defined (value 0) or system-defined (value 1 or greater)

RDB$SECURITY_CLASS

CHAR(63)

May reference a security class defined in RDB$SECURITY_CLASSES, to apply access control limits to all users of this column

RDB$COMPLEX_NAME

CHAR(63)

Not used

RDB$NULL_FLAG

SMALLINT

Indicates whether the column is nullable (NULL) non-nullable (value 1)

RDB$DEFAULT_SOURCE

BLOB TEXT

The source text of the DEFAULT clause, if any

RDB$COLLATION_ID

SMALLINT

The identifier of the collation in the character set for the column, if it is not the default collation

RDB$GENERATOR_NAME

CHAR(63)

Internal generator name for generating an identity value for the column.

RDB$IDENTITY_TYPE

SMALLINT

The identity type of the column

NULL - not an identity column
0 - identity column, GENERATED ALWAYS
1 - identity column, GENERATED BY DEFAULT

RDB$ROLE_NAME

CHAR(63)

Role name

RDB$OWNER_NAME

CHAR(63)

The username of the role owner

RDB$DESCRIPTION

BLOB TEXT

Could store comments related to the role

RDB$SYSTEM_FLAG

SMALLINT

System flag

RDB$SECURITY_CLASS

CHAR(63)

May reference a security class defined in the table RDB$SECURITY_CLASSES, to apply access control limits to all users of this role

RDB$SYSTEM_PRIVILEGES

BINARY(8)

Bitset with the system privileges granted to a role, with the following bits

0 - unused
1 - USER_MANAGEMENT
2 - READ_RAW_PAGES
3 - CREATE_USER_TYPES
4 - USE_NBACKUP_UTILITY
5 - CHANGE_SHUTDOWN_MODE
6 - TRACE_ANY_ATTACHMENT
7 - MONITOR_ANY_ATTACHMENT
8 - ACCESS_SHUTDOWN_DATABASE
9 - CREATE_DATABASE
10 - DROP_DATABASE
11 - USE_GBAK_UTILITY
12 - USE_GSTAT_UTILITY
13 - USE_GFIX_UTILITY
14 - IGNORE_DB_TRIGGERS
15 - CHANGE_HEADER_SETTINGS
16 - SELECT_ANY_OBJECT_IN_DATABASE
17 - ACCESS_ANY_OBJECT_IN_DATABASE
18 - MODIFY_ANY_OBJECT_IN_DATABASE
19 - CHANGE_MAPPING_RULES
20 - USE_GRANTED_BY_CLAUSE
21 - GRANT_REVOKE_ON_ANY_OBJECT
22 - GRANT_REVOKE_ANY_DDL_RIGHT
23 - CREATE_PRIVILEGED_ROLES
24 - GET_DBCRYPT_INFO
25 - MODIFY_EXT_CONN_POOL
26 - REPLICATE_INTO_DATABASE
27 - PROFILE_ANY_ATTACHMENT